Frost Definition

frôst, frŏst
frosted, frosting, frosts
A freezing or state of being frozen.
Webster's New World
A temperature low enough to cause freezing.
Webster's New World
The icy crystals that form directly on a freezing surface as moist air contacts it; rime; hoarfrost.
Webster's New World
A period of weather when such deposits form.
American Heritage
Coolness of action, feeling, manner, etc.
Webster's New World
frosted, frosting, frosts
To cover with frost.
Webster's New World
To damage, wither, or kill by freezing.
Webster's New World
To give a frostlike, opaque surface to (glass or metal)
Webster's New World
To cover with frosting, or icing.
Webster's New World
To apply lighter coloring to selected strands of (hair) using a chemical dye.
Webster's New World

A surname​.


Origin of Frost

  • From Middle English frost, from Old English frost (“frost”), from Proto-Germanic *frustaz (“frost”), from Proto-Indo-European *prews- (“to freeze; frost”). Cognate with West Frisian froast (“frost”), Dutch vorst (“frost”), German Frost (“frost”), Swedish frost (“frost”), Icelandic frost (“frost”), Latin pruīna (“hoarfrost, frost, rime, snow”). Related to freeze.

    From Wiktionary

  • Middle English from Old English preus- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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